Emergency hammer



FIG. 1 is a perspective view of a new design for an emergency hammer;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines depict aspects of the emergency hammer in which the design is embodied that are not considered part of the claimed design. 

CLAIM The ornamental design for an emergency hammer, as shown and described. 